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China Ground Calcium Carbonate Suppliers - High-Quality GCC from Reliable Factory for Paper Applications
Product Description
Enhancing fluidity, enhances uniform distribution while lowering energy consumption.
Adding Useen ground calcium carbonate to the pulp improves its fluidity and promotes uniform distribution of the pulp, making the paper production process smoother. This helps to increase paper production efficiency, reduce friction and resistance during the production process, lower energy consumption, and improve overall production efficiency.
Improving paper smoothness, precise text and images by preventing ink spreading or penetration.
Because our ground calcium carbonate can improve the smoothness and uniformity of paper, it enhances the printability of paper, especially in high-quality printing processes. A smoother paper surface allows for even ink distribution, improving printing results and reducing ink spreading or penetration, thus ensuring the clarity of text and images.
Specification
| ITEM | UNIT | INDEX |
| CaCO3 | % | ≥96 |
| MgO | % | ≤0.5 |
| SiO2 | % | ≤0.2 |
| Average Particle Size | μm | ≤45 |
| Brightness | % | ≥95 |
| Oil Absorption Value | gDOP/100g | ≤25.5 |
| pH Value | — | 8–10 |
| Moisture | % | ≤0.4 |
| 325 Mesh Residue | % | pass |
| 105° Volatile Matter | W/% | ≤0.5 |
| Heavy Metal (as Pb) | W/% | ≤0.005 |
Useen Advantages
Price Advantage
Factory direct supply, with absolute price advantage, always providing customers with the most competitive and best prices.
Professional R&D Center
The professional R&D team can accurately understand customer needs, and conduct targeted optimization and flexible adjustments of various product parameters to meet customer needs.
OEM Service
Flexibly customize product specifications, packaging, etc. to avoid paying for unnecessary features and achieve cost optimization.
Top Quality
We have our own large-scale mining resources, select the industry's top raw materials, and strictly control quality from the source to ensure the excellent quality and stability of each product.
Environmentally Friendly Materials
The company has an independent supporting green mine raw material production base, forming an economic industrial chain integrating environmental friendly materials and nano material deep processing.
Complete After-Sales Service
Provide professional and timely after-sales service system, quickly respond to customer needs, ensure worry-free use, and win long-term trust and satisfaction from users.
Frequently Asked Questions
Q
What is ground calcium carbonate (GCC) and how is it used in paper production?
Ground calcium carbonate (GCC) is a naturally occurring mineral processed by grinding limestone or marble. In paper production, it is used as a filler and coating pigment to improve paper brightness, smoothness, opacity, and printability while reducing production costs.
Q
How does Useen GCC improve paper smoothness and print quality?
Useen GCC has a fine and uniform particle size (≤45μm) and high brightness (≥95%), which fills the micro-gaps on the paper surface. This creates a smoother surface that allows for even ink distribution, prevents ink spreading or penetration, and ensures sharp, clear text and images in high-quality printing.
Q
What is the CaCO₃ purity of Useen ground calcium carbonate?
Useen ground calcium carbonate contains a minimum CaCO₃ content of ≥96%, ensuring high purity and consistent performance across all paper manufacturing applications. Impurity levels such as MgO (≤0.5%) and SiO₂ (≤0.2%) are strictly controlled.
Q
Does Useen offer OEM or custom packaging services?
Yes. Useen provides full OEM services, allowing customers to flexibly customize product specifications, particle size, packaging formats, and labeling. This helps customers avoid paying for unnecessary features and achieve optimized procurement costs.
Q
Is Useen ground calcium carbonate environmentally friendly?
Yes. Useen operates its own green mine raw material production base, forming an integrated industrial chain that prioritizes environmentally friendly materials. The company's production process is designed to minimize environmental impact while supporting sustainable nano material deep processing.
Q
What after-sales support does Useen provide to its customers?
Useen provides a comprehensive and professional after-sales service system with fast response times. The team is dedicated to quickly resolving customer inquiries, providing technical guidance, and ensuring worry-free product usage to build long-term trust and customer satisfaction.